[INFO] fetching crate cuda 0.4.0-pre.2...
[INFO] testing cuda-0.4.0-pre.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate cuda 0.4.0-pre.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cuda 0.4.0-pre.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cuda 0.4.0-pre.2
[INFO] finished tweaking crates.io crate cuda 0.4.0-pre.2
[INFO] tweaked toml for crates.io crate cuda 0.4.0-pre.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1ddf6734f6d4c0a58f0d5fc99c12a4533c354a0bb15e2ec83e87a25955e2b2a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c1ddf6734f6d4c0a58f0d5fc99c12a4533c354a0bb15e2ec83e87a25955e2b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1ddf6734f6d4c0a58f0d5fc99c12a4533c354a0bb15e2ec83e87a25955e2b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ddf6734f6d4c0a58f0d5fc99c12a4533c354a0bb15e2ec83e87a25955e2b2a", kill_on_drop: false }`
[INFO] [stdout] c1ddf6734f6d4c0a58f0d5fc99c12a4533c354a0bb15e2ec83e87a25955e2b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 386ba92a583840c2b1987c5e18b57265655ad52bc03c54b36f62b34a61355604
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "386ba92a583840c2b1987c5e18b57265655ad52bc03c54b36f62b34a61355604", kill_on_drop: false }`
[INFO] [stderr]    Compiling cuda v0.4.0-pre.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stdout] error: a cuda version feature must be enabled
[INFO] [stdout]   --> build.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |   compile_error!("a cuda version feature must be enabled");
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cuda`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "386ba92a583840c2b1987c5e18b57265655ad52bc03c54b36f62b34a61355604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386ba92a583840c2b1987c5e18b57265655ad52bc03c54b36f62b34a61355604", kill_on_drop: false }`
[INFO] [stdout] 386ba92a583840c2b1987c5e18b57265655ad52bc03c54b36f62b34a61355604